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número um

Portuguese, noun/ˈnũ.me.ɾu ũ/

número um is spelled N-Ú-M-E-R-O-U-M (8 letters). Número um is a Portuguese masculine noun meaning “the first in a ranking system” (English Wiktionary, September 2026).

What does número um mean in English?

noun

  1. 1

    masculinethe first in a ranking system

  2. 2

    masculinethe most important, the highest in quality, the best, etc.

  3. 3

    masculineurination

  4. 4

    masculineUsed other than figuratively or idiomatically: see número, um.

Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).

How Portuguese dictionaries define it

phrase: 1. o primeiro 2. o melhor; da melhor qualidade 3. urina

The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.

Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of número um

  • números um plural
  • número-um alternative

Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce número um?

  • Brazil /ˈnũ.me.ɾu ũ/
  • Portugal /ˈnu.mɨ.ɾu ũ/

Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

What to look up after número um